CRT 7900v Turbo Unlock

RCI 69FFCx Frequency expansion. EPT990014A chassis, with built in 200/400 watt amp

1. Bottom of main board, solder side, Remove 100 ohm 1/8 watt resistor on bottom of PCB in 4008-divider area.

2. Top of main board, component side. On J30, move the shorting block to pins 2-3.

3. Follow the Hi/Lo switch wire down to the main board and unplug it from J5.

4. Move it to J29, in front of J30.

5. Radio will now cover 24.265 through 29.655 in 12 bands (6 LO, 6 HI).

CRT 7900v Turbo Software: https://tinyurl.com/mxs8apht

Xiegu G-90 Schematics

AT-5555 Adjustment Potentiometers

Jopix AP-6 Export Mode (25-30 MHz)

Albrecht AE-6290. Connecting a wire between holes works. Nearest front 10m I’m informed and nearest back 12-10m I’m informed but I’ve not tried it.

Jopix GS-60 Enhanced Mode

President Walker II Test Mode

Midland M88 V1.10 VOX Settings

President Richard Service Manual

President Richard Test Mode

President Taylor IV Test Mode

Midland M88 V1.10 Etc

Alan 42 DS (Via Online Radio)

President Barry II High Power & Channel Mod. Move jumper from 1/2 till 3/4 and re-solder white wire from where it is and move to holes behind. Allows 7w AM and 15-20w FM

Anytone Various As Mentioned

President Walker II Service Manual

Above President Randy II FCC AM/FM

President George FCC “Service Mode”

Hold PTT + TB & F

Turn on Radio “test” on screen, release PTT TB & F

Within a second press NRC, CBWX, VOX

Your in the service mode